Tank-car.



H. W. WOLF?.

TANK GAR.

AE'YLIGATION FILED MAR 1, 1909.

Patented Deo. 21, 1909.

2 SHEETS-SHEET 1.

WN @Wfl l w., o .\o/ o o om h. U//J o H. W. WOLF?.l

ATANK CAR.

APPLICATION FILED MAR. l, 1909.

943,803. Patented D@.21,19o9.

2 SHEETS-SHEET 2.

Ely. 3.

witnesses z Inventor y M MQ@ (narran STATES V'PArENr OFFICE.

y `HERBER'J: W. WOLFF, or s'r. LOUIS, Mrs

FOUNDRY COMPANY, or sr. LOUIS, MISSOURI, A CORPORATION or NEW JERSEY.

, skilled in the art l make and use the .'10

. embodying my invention; Fig. 2 is a vertical a citizen of .the United States, residing at umeans Of nove construction on the tank an provided with bolsters having sockets into 'is a transverse sectional view `tank SOURI, ASSIGNOR TO AMERICAN CAR 8c TANK-CAR.

Specification of Letters Patent. Patented Dec. 21, 1909.

Applioatinlea March 1, 1909. Serial No. 480,698.

To all whom fit may concern:

Be it known that I, HERBERT W. WOLF'F,

St. Louis, Missouri', have invented a certain new and use' ul Improvement in Tank-Cars, of which the following is a full, clear, and exact description, such as will enableothers to which it appertains to same. This invention relates to tank cars, and particularly to the underframesof such cars. One object of my invention is to provide a tank car comprising a tank, an underframe for supportnov said tank, andcoperatin underframe located adjacent the bolsters of. the underframe for preventing v the tank from shiftin longitudlnally or transversely. Anotherl ciject is to provide a tank carunderframe comprising two end portions or sections, each of which consists of a bolster, draft sills and inclined brace members cast asa sin le unit, and a center sill connecting said cnt? sections together.

Another object is to provides tank car in which the members `of the under-frame on which` the tankn'ests. are s0 constructed that they ian be fitted easily to the tank and thus prodce a perfectbearingfor the tank.

Another object is'tq provide va tank car coxmprising a tank provided on its under side with anchorage members, and an nnderframe which said anchorage members project, thus enabling the tank to be lifted bodily off the nnderframe or mountedthereon easily.

Other objects and desirable features of my invention will be hereinafter pointed out. Figure 1. of the drawings is a top plan view of a 'portion of a tank car underframe longitudinal sectional view taken on approximately the line 2-2 of Fig. 1'; Fig. 3 taken on the line 3 3 of Fig. '1, looking in the direction of the arrow, a portion of the tanlcbeing shown in this view; Fig. 4 is a transverse sectional view taken on the line .4 4 of Fig. 1, looking in the directionv of the arrow; Fig. 5 is un elevational viewl of One of the. anchorage members which is perma nently connected to the tank; and Fig. 6 is a Vertical sectional yview taken on the line Referring to the drawin s which illustrate the preferred form o my invention, A designates av east metal member, preferably cast steel, that forms one of the end ortions or sections of my improved underflrame, and 1 designates a pair of center sill membersthat connect the two end sections A of the frame together. Each of the end sections A of the frame consists of a bolster 2, draft sills 3, dia onal brace members 4 that converge inwardly from the outer ends of the bolster to the end portions of the draft sills, and a buffer block 5 provided with an opening through which the drawbar -of the draftgear projects, all of said parts 'being integrally connected together. The

bolster 2 may be of an preferred shape in cross section but I pre er to make it in the form of a hollow box girder. The draft sills are preferably of L-shape in cross section arranged with their horizontal flanges 3S* projectingoutwardly and having the upper ends of their vertical legs connected together by an inte al web 6 which performs the same functlon as the top cover plate that is usuall connected to the draft .sills of an under rame, A bottom cover plate 7 is connected to the lower'ilanges 3a of the draft sills by rivets or suitable fastening devices, as 'shown in Figs. 1, 2 and 4, thus producing an ap roximately box-shaped draft sill member t at is integrally connected to the bolster. The buffer block Or plate 5, through which the drawbar extends, is integrally connected to the draft sills and to the web 6 which ties said draft sills together, and gussets 6 are located at the point where the buffer block is connected to said web so as to reinforce and strengthen the same. The diagonal 'brace members 4 that extend from the bolster to the draft sills, are preferably of channel-shape in cross section, as

shown in Fi 4, and are arranged with their horizontal ffanges projecting inwardly tow'ard the .longitudinal center of the car, said horizontal ianges being flared at 4 where they connect with the bolster and draft sills so as to form gussets which insure a strong and rigid structure. The bolster 2 curves downwardly intermediate its ends, as shownin Figs. 3 and 4, so that it will conform to the shape of the tank B and as .the diagonal members 4 are connected to the end portions of the bolster said `diagonal members will with the horizontal web 6 of the draftsill' portion of the underframe, Aprojects 'lat erally .from the opposite sides ofi` said draft sill portion, and. the top face of said support is concaved or shaped so that it Will conform .to the under side of the tank which rests on same. The bolster Q is provided on its rear side witlihan integral portion 9 to which-thc center sill members 1 are con- `nected, said portion 9 comprising flanges 9L that project between the center sill members 1, the ends of which butt against the end face of said portion 9. I preter to use separate angle irons 10 for connecting theoen-A ter sill members to theintegral portion 9 on the bolster, said angle irons being riveted to the end face of the portion 9 and also to the vertical webs of the bolster members, which vertical webs lie between said connecting irons and the anffes 92t on the portion 9. I also prefer to reinorce the flanges 9a. by means of a cross web 11 that is integrally connected to said flanges and to the member 9 from which said flanges project.

The bolster 2 is` provided on its under side with an integral center .bearing 12 and side-bearings 13, as shown in Fig. 3, and the draft sills?) are provided with integral lugs 14 'that cooperate with the follower plates of the draft rigging, not shown.

The tank B which rests on the rinden frame, is provided on its under sidel with anchorage members, one of which is shown in Figs. 5 and 6, and the bolstcrs are so Constructed that said anchorage members will lit inside of same, thus enabling the tank with its anchorage members to be built as a single unit and then placed on the niderfraine, the anchorage members on the tank dropping into the holsters and thus securely retaining the tank in position Without the aid of rivets or other fastening devices. Each of lthese anchorage members comprises a curved portion 15 that conforms to the shape of the under side of the tank, and provided with depending projections 16 that pass through slots or openings in the top of the bolster. I prefer to provide the curved portion l5 of the anchorage'member with' raised ribs 17 that can be chipped off or planed clown so as to provide a perfect bearing for the tank an if desired, the tank su ports 8 can be provided with similar raised ribs 17a. I also prefer to provide the Lippen side of tliebolster with similar chipping ribs 18 that can be planed down so as to roduce a uniform bearing surface for the anchorage member -on thebolster.' The anchorage members are permanently 'connected to the tank and as the lugs or projections 16 on said anchorage members fit inside ofthe holsters, it will be. impossible for the ytank to shift longitudinally or transversely. These lugs 1G are located on opposite sides of the longitudinal center of the car,v shown in Figs. 3 vand 4, and as said lugs are comparatively large and have an extended bearing surface on the bolster, the tank will be securely anchored in position without the aid of a direct connection between the vtank and underframe.

A car of the construction above described is strong and rigid and can be built at a low cost owing to the fact that the bolster, diagonal braces and draft sills at each end of the frame are cast as a single unit. Such a con-` struction is also very desirable because itV overcomes the necessity of using Vfastening 4devices between thetank and underframe, and it provides a 'substantial bearing andl anchorage for the tank at-tlie holsters of the underframe.

Having thus described my invention, ivliatt ,i I claim as new and desire to secure by Letters Patent is: y e

1. ln a tank car, an underframe provided with holsters, a removable tank resting freely I with a bolster, a removable tank resting freely on said underfra1ne,'and` a rigid lug i or projection on said tank that lits vin a socket or recess in tli'e bolster to prevent longitudinal movement of the tank.

3. In a tank ear, an underframe provided -ivith a bolster, a removable tank resting freely on said underframe, and rigid menibers depending from the tank and engaging the bolster on lopposite sides of the longitudinal center of the cai' for preventing the tank fi'oin Ashifting longitudinally.

4. In a tank car, a tank provided with a rigid rojection, and a bolster constructed to receive said projection so as to prevent the tan'k from shifting longitudinally of the` underframe of the car, said projection having no direct connection with the bolster.

I 5. In a tank car, removable tank provided on its under side with lugs or projections, aiid an underfranie provided with holsters which have pocketsthat receive said lugs or'projections when the tank is mounted 'on the underfraine land thus prevent thel tank fromv shifting longitudinally. p

6." Inv'a tank car, an 'underframe provided -'-with"bolsters, a tank resting freely on said holsters, and anchorage members on vsaid iio topr'event Vbei' arranged on opposite sides side with anchorage members that rest 'on the top faces of said holsters, and lugs or projections on said anchorage members that extend into openings in the tops of the holsters :for preventing the tank from shifting longitudinally.

In a ta'nk car, an underframe provided with a bolster whose top face is slightly concaved, a tank provided on its under side with an anchorage member that conforms to the top face of the bolster and rests thereon. and depending lugs on said anchorage meniof the longitudinal center of the underframe and projecting through openings inthe top face of the bolster so as to prevent the tank from shifting longitudinally.

9. In a tank car, a tank, aii'uiiderfranie provided with metal supports for said tank, and integral ribs or projections on-said supports that can be chipped off or planed downso as to provide a perfect bearing surface for the tank.

10. In a tank car, a tank, and a lmetallic anchorage member connected to said tank, said anchorage member being provided with integral ribs or projections that can be eut away so as to canse said member to conform accurately to the exterior of the tank.

1l. In a tank car, a tank provided with an anchorage member having raised ribs Aor surfaces that can be chipped off or smoothed down so as to make said member embrace the tank s1iugly, an underframe provided with a supporting surface on which said anchorage member rests, and raised ribs on said supporting surface that can be planed down so as to produce a perfect bearing surface for said anchorage member.

12. A tank cai' provided with an underframe which consists of two cast metal 'end sections and a. center sill connecting said sections together, a tank supported b said end sections, and projections on saidy tank that tit in pockets in said end sections so as to prevent the tank from sliif.ing. n

13. In a tank car, an underframe coniprising two cast metal sections, each of which consists of a. bolster, draft sills, and inclined brace members integrally connected together, a center sill connecting said end sections, and a tank resting'freely on said end sections and provided with projections that tit in recesses in said end sections so as to prevent displacement of the tank..

ift. tank car iunlertranie provided with a bolster, a draft sill, and a tank support all integrally connected together and formed i et' ras-i metal. the tank support being located uci-mediate the bolster and the outer end Yif the draft sill and arranged in av higher heriroatal plane than thetop face of the draft sill.A

l5. tank car underfraine having a cast metal member .vliich comprises a bolster with an integral butler block, inclined brace' members integrally connected to said bolster and draft. sills and converging inwardly from the outer ends of the bolster,

to said draft sills.

16. In ataiik car luiderframe, a cast member comprising a bolster, an approxiniatelv inverted channel-shaped `portion integrally connected to said bolster to forni a drat't sill member, inclined braces integrally,,connected to lsaid draft sill in emler and to the bolster, and a tank support integrally connected to the horizontal web ot said inverted channel-shaped portion.

17. An uiiderframe member for cars, said member consistingr of a bolster, draft sills, a tank support,v a butler block, and inclined brace members all cast together as a single unit.

18. In a tank car, an undei'frame consisting of a center sill, cast metal members con iiected to the ends of said center sill and each consisting of a holster, draft sills and a tank support, and a tank resting on the holsters and tank supports of said end sections.l

19. Inj a tank car underfrainc, a cast metal member comprising a bolster, an approximately inverted channel-shaped member integrally connected to said bolster and provided at. its outer end with an integral buper block, a tank support on said channel-,shaped member, channel-shaped brace members extending from the outer end of said draft sill member to the ends of the bolster, the horizontal Hanges of said brace members heilig,r flared at the points where said flanges connect with the bolster and draft sill member.

a center bearing and side bearings formed' integral with said bolster, a bottom cover and a curved tank support integrally connected plate connected to the under side of the draft sill member, on the rear side of the bolster to which a center sill can be connected.

20, In a car underfranie, a cast metal bolster provided on its rear side with a projecing portion. havin@r vertically disposed flanges, center sill inem )ers connected to said flanofes and abuttiner avainst said i'o`ectinv. l? b t1 l" portion, an approximately inver-te( channel` shaped member integrally connected to the bolster and providedat its front end with a butler block, and brace members integrally connected to the bolster and draft sill members-and converging inwardly from the ends,

of the bolster.

21. In a tank car, an underframe' provided with holsters, a tank resting freely on said ,underframe, and luUs on said tank which project downwardly into pockets and an integral portion 4 season formed in said bolster to prevent longitudinal displacement of the tank.r Y

ln a tank car, an underfraine provided with a plurality of tank supports, a tank carried by said supports, and lugs on said tank thatcoperate With openings in one of said supports to prevent the tank from shifting longitudinally of the underframe.

23. l'n a tank car underframe, a pair of end members, each of Whiehronsists of a bolster, a tank support, draft sills, and diagonal braces cast as a single unit,a tank resting freely on said end members, and means on said tank and said end members for lpreventing the tank from shifting lonf gitudinally and transversely.

24, In a tank car, the combination of a 'tank provided with rigid lu s on the under side thereof, and an under rame proVidecL with holsters having openings in the top faces thereof for receiving said lugs.

' 25. In a tank Ganan underfraine comprising two end castings provided with depressions and connected together by means of center sills, a tank resting freely on said underframe, and lugs rigidly secured to the under side of said 'tank and adapted to project dovtn'wardly into the depressions in the.

HERBERT W. VVGLFF. Witnesses I WELLS L. CHURCH, GEORGE BAKEWELL.

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